Home / 156,213.20-215,574.92-84,593.36

Finding the Fourth Proportional to 156,213.20, 215,574.92 and 84,593.36

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Solution

The fourth proportional to 156,213.20, 215,574.92 and 84,593.36 is: 116,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,213.20 : 215,574.92 = 84,593.36 : x
  2. Step 2: Convert to fraction form
    156,213.20/215,574.92 = 84,593.36/x
  3. Step 3: Cross multiply
    156,213.20x = 215,574.92 × 84,593.36
  4. Step 4: Simplify right side
    156,213.20x = 18,236,206,814.53
  5. Step 5: Solve for x
    x = 18,236,206,814.53/156,213.20
  6. Step 6: Final answer
    x = 116,739.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.